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A035798 as a simple table
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 52 |
| 2 | 1352 |
| 3 | 23452 |
| 4 | 305552 |
| 5 | 3191812 |
| 6 | 27866072 |
| 7 | 209284972 |
| 8 | 1381251872 |
| 9 | 8143343572 |
| 10 | 43450388072 |
| 11 | 212064570172 |
| 12 | 955155127472 |
| 13 | 4000126870436 |
| 14 | 15677814054136 |
| 15 | 57833980313356 |
| 16 | 201820290790976 |
| 17 | 669263277244276 |
[1,52,1352,23452,305552,3191812,27866072, 209284972,1381251872,8143343572,43450388072, 212064570172,955155127472,4000126870436, 15677814054136,57833980313356,201820290790976, 669263277244276] |